December 17 school threats emerged, but the challenge suggested numerous school shootings would take place on December 17. Authorities in cities across the country said they received no evidence that the threats were credible, but school officials took heightened safety measures as a precaution.A 16-year-old at a South Florida high school was arrested Friday morning amid the Dec.
17 TikTok challenge after authorities found a loaded firearm in a small bag, police said.The junior at Miramar High School was detained and searched due to his demeanor and for having a small bag with him that wasn't allowed due to testing in classrooms on Friday, said Miramar police spokeswoman Tania Rues.